ETC Marketing, Ltd. v. Harris County Appraisal District

Summary

The Texas Supreme Court held that ad valorem taxation of natural gas stored in Texas while awaiting future resale and shipment to consumers does not violate the dormant Commerce Clause. Applying the Complete Auto framework, the court concluded that the gas was in interstate commerce but had a substantial nexus with Texas and that the tax was constitutionally permissible. The court also held that ETC waived its separate argument under the Texas Tax Code's temporary-period taxable-situs provisions.

Holdings

1. ETC waived its appellate arguments under Texas Tax Code sections 11.01(c)(1) and 21.02(a)(1) because its summary-judgment motion did not present those statutory grounds with sufficient specificity.
2. The gas entered interstate commerce because it was placed in a Texas pipeline system connected to interstate pipelines and was eventually conveyed to out-of-state customers; the circumstances of storage did not defeat that threshold determination.
3. The stored gas had a substantial nexus with Texas because ETC’s seasonal storage was a business-driven stoppage for future resale and market timing, rather than a temporary interruption necessary to continue a predetermined interstate journey.
4. The ad valorem tax was fairly apportioned because its geographic and temporal limits ensured that the property would be taxed only once per year under identical taxing schemes.
5. The tax did not discriminate against interstate commerce because it applied evenhandedly to all qualifying personal property without regard to the gas’s intended destination.
6. The tax was reasonably related to state-provided services because Texas protected the stored gas and ETC benefited from the opportunities and protections associated with storage.
7. Because the tax did not violate the Commerce Clause, it did not violate Texas Tax Code section 11.12, which exempts property from ad valorem taxation when federal law prohibits taxation.

Questions Presented

1. Whether ETC preserved its argument that the Texas Tax Code’s temporary-period and taxable-situs provisions independently barred taxation of the stored gas.
2. Whether natural gas stored in Texas while awaiting ETC’s future resale and shipment remained in interstate commerce for purposes of the dormant Commerce Clause.
3. Whether the ad valorem tax on ETC’s stored gas satisfied all four prongs of the Complete Auto Transit test.
4. Whether the tax violated Section 11.12 of the Texas Tax Code because it allegedly taxed property exempt from taxation under federal law.

Disposition

affirmed